net/bnxt: replace memory barrier for doorbell response

To read the doorbell response, which is held in the host CIO memory,
rte_cio_rmb is sufficient.

Fixes: 804e746c7b73 ("net/bnxt: add hardware resource manager init code")
Cc: stable@dpdk.org
Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index e73d8ed..d7c33d2 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -150,7 +150,7 @@ static int bnxt_hwrm_send_message(struct bnxt *bp, void *msg,
        /* Poll for the valid bit */
        for (i = 0; i < timeout; i++) {
                /* Sanity check on the resp->resp_len */
-               rte_rmb();
+               rte_cio_rmb();
                if (resp->resp_len && resp->resp_len <= bp->max_resp_len) {
                        /* Last byte of resp contains the valid key */
                        valid = (uint8_t *)resp + resp->resp_len - 1;